mirror of
https://github.com/digital-asset/daml.git
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131 lines
4.9 KiB
Bash
Executable File
131 lines
4.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Prints out commands to set up profile for both bash and zsh.
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#
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# Requires:
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# - DADE_DEVENV_DIR correctly set, DADE_BASE is accepted for compatibility
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# Optional:
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# - DADE_VAR_DIR to use separate directory for mutable persisted state.
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# Reset locale to ensure no warnings from the nix-build calls below.
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# The nix-build Perl script will use a Nix glibc, which comes without
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# any locales. We can therefore not make any assumptions about the
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# available locales at this point (DEL-2851).
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unset LC_ALL
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unset LANG
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unset NIX_CONF_DIR
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unset NIX_PATH
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set -Eeuo pipefail
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if [[ -n "${DADE_DEBUG+x}" ]]; then
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set -x
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fi
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errcho() {
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>&2 echo "[dev-env] $*"
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}
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check_nix_version() {
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# Keep in sync with dade-nix-install.
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NIX_MAJOR="$1"
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NIX_MINOR="$2"
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NIX_PATCH="$3"
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local current
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current=$(nix-env --version)
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if [[ $current =~ ([0-9])[.]([0-9]+)([.]([0-9]+))? ]]; then
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local current_major="${BASH_REMATCH[1]}"
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local current_minor="${BASH_REMATCH[2]}"
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local current_patch="${BASH_REMATCH[4]:-0}"
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if [[ $current_major -lt $NIX_MAJOR ]] ||
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[[ $current_major -eq $NIX_MAJOR && $current_minor -lt $NIX_MINOR ]] ||
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[[ $current_major -eq $NIX_MAJOR && $current_minor -eq $NIX_MINOR && $current_patch -lt $NIX_PATCH ]];
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then
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errcho "WARNING: Version ${current_major}.${current_minor}.${current_patch} detected, but ${NIX_MAJOR}.${NIX_MINOR}.${NIX_PATCH} or higher required."
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errcho "Please run 'nix upgrade-nix' or 'curl https://nixos.org/nix/install | sh' to update Nix."
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fi
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else
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errcho "WARNING: Unexpected output of 'nix-env --version' ($current), dev-env might not work properly. Contact #disc-enterprise-pipe immediately!"
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fi
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}
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# TODO(gleber): Compatibility mode until JBH is ugraded.
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DADE_DEVENV_DIR="${DADE_DEVENV_DIR:-${DADE_BASE:-}}"
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if [ -z "$DADE_DEVENV_DIR" ]; then
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DADE_DEVENV_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )"/.. && pwd )"
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fi
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export DADE_DEVENV_DIR="${DADE_DEVENV_DIR}"
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export DADE_REPO_ROOT="${DADE_REPO_ROOT:-${DADE_DEVENV_DIR}/..}"
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# If used from another repository, DADE_VAR_DIR should already point to a
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# mutable `var/` directory to store gc-roots.
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DADE_VAR_DIR="${DADE_VAR_DIR:-$DADE_DEVENV_DIR/var}"
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DADE_NIXPKGS="${DADE_VAR_DIR}/gc-roots/nixpkgs-snapshot"
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# shellcheck source=./ensure-nix
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source "$(dirname "${BASH_SOURCE[0]}")/ensure-nix"
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# In a sub-shell, source in the nix-profile and preload nixpkgs-snapshot.
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(
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# shellcheck source=./ensure-nix
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source "$(dirname "${BASH_SOURCE[0]}")/ensure-nix"
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: "${DADE_DESIRED_NIX_VERSION:=2 1 3}"
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check_nix_version $DADE_DESIRED_NIX_VERSION
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# If the user has no channels configured, then NIX_PATH might point
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# to non-existing location. Add a backup snapshot to use as fallback
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# for the bootstrapping.
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export NIX_PATH=${NIX_PATH:+$NIX_PATH:}nixpkgs=https://github.com/NixOS/nixpkgs-channels/archive/nixos-18.03.tar.gz
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# Load nixpkgs-snapshot.
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hashfile="${DADE_NIXPKGS}.hash"
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currentHash="$(nix-hash "$DADE_DEVENV_DIR/../nix/nixpkgs.nix")"
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test -e "$hashfile" && hash="$(cat "$hashfile")"
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if [[ ! -e "$DADE_NIXPKGS" || "$hash" != "$currentHash" ]]; then
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errcho "Loading outdated or missing nixpkgs snapshot..."
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outpath="$(
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nix-store -Q --realise --indirect --add-root "$DADE_NIXPKGS" \
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"$(nix-instantiate -Q --eval "${DADE_DEVENV_DIR}/../nix/nixpkgs.nix" -A path \
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| sed 's/^\"//;s/\"$//')"
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)"
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printf "$currentHash" >| "$hashfile"
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errcho "Done loading the nixpkgs snapshot to $outpath"
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fi
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)
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# Make sure nix gets ensured in main shell
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echo source "$(dirname "${BASH_SOURCE[0]}")/ensure-nix"
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# Expose our tools in /dev-env/bin and our version of nixpkgs
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echo "export NIX_CONF_DIR=\"${DADE_DEVENV_DIR}/etc\""
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echo "export NIX_PATH=nixpkgs=\"${DADE_NIXPKGS}\""
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echo "export PATH=\"${DADE_DEVENV_DIR}/bin:\$PATH\""
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echo "export PYTHONPATH=\".\${PYTHONPATH:+:\$PYTHONPATH}\""
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echo "export DADE_REPO_ROOT=${DADE_REPO_ROOT}"
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echo "export DADE_VAR_DIR=${DADE_VAR_DIR}"
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echo "export DADE_DEVENV_DIR=${DADE_DEVENV_DIR}"
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# Make sure the locale is UTF-8 capable. Setting LOCALE_ARCHIVE is
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# necessary on Ubuntu (but not on CentOS) to make the Nix glibc find
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# the en_US.UTF-8 locale (DEL-2851).
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if [[ $(uname -v) =~ 'Ubuntu' ]]; then
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# If the user has no channels configured, then NIX_PATH might point
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# to non-existing location. Add a backup snapshot to use as fallback
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# for the bootstrapping.
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TMP_NIX_PATH=nixpkgs=${DADE_NIXPKGS}
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# since we need to set LC_ALL=C to prevent any messages about missing locale
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# until we fetch the locale, we start in a separate shell
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(
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export LC_ALL=C
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unset NIX_PATH
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out=$(nix-build --no-out-link -Q "${DADE_DEVENV_DIR}/../nix" -I "${TMP_NIX_PATH}" -A pkgs.glibcLocales)
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echo "export LOCALE_ARCHIVE=\"${out}/lib/locale/locale-archive\""
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)
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fi
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echo "export LC_ALL=en_US.UTF-8"
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echo "export LANG=en_US.UTF-8"
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